20048270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 42550272

約数和(自身を除く): 22502002

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 71, 85, 110, 142, 151, 170, 187, 302, 355, 374, 710, 755, 781, 935, 1207, 1510, 1562, 1661, 1870, 2414, 2567, 3322, 3905, 5134, 6035, 7810, 8305, 10721, 12070, 12835, 13277, 16610, 21442, 25670, 26554, 28237, 53605, 56474, 66385, 107210, 117931, 132770, 141185, 182257, 235862, 282370, 364514, 589655, 911285, 1179310, 1822570, 2004827, 4009654, 10024135, 20048270]

約数ペア:

[(1, 20048270), (2, 10024135), (5, 4009654), (10, 2004827), (11, 1822570), (17, 1179310), (22, 911285), (34, 589655), (55, 364514), (71, 282370), (85, 235862), (110, 182257), (142, 141185), (151, 132770), (170, 117931), (187, 107210), (302, 66385), (355, 56474), (374, 53605), (710, 28237), (755, 26554), (781, 25670), (935, 21442), (1207, 16610), (1510, 13277), (1562, 12835), (1661, 12070), (1870, 10721), (2414, 8305), (2567, 7810), (3322, 6035), (3905, 5134)]